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path: root/drivers/net/wwan/wwan_core.c
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Diffstat (limited to 'drivers/net/wwan/wwan_core.c')
-rw-r--r--drivers/net/wwan/wwan_core.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/wwan/wwan_core.c b/drivers/net/wwan/wwan_core.c
index 284ab1f56391..87df60916960 100644
--- a/drivers/net/wwan/wwan_core.c
+++ b/drivers/net/wwan/wwan_core.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (c) 2021, Linaro Ltd <loic.poulain@linaro.org> */
+#include <linux/bitmap.h>
#include <linux/err.h>
#include <linux/errno.h>
#include <linux/debugfs.h>
@@ -395,7 +396,7 @@ static int __wwan_port_dev_assign_name(struct wwan_port *port, const char *fmt)
char buf[0x20];
int id;
- idmap = (unsigned long *)get_zeroed_page(GFP_KERNEL);
+ idmap = bitmap_zalloc(max_ports, GFP_KERNEL);
if (!idmap)
return -ENOMEM;
@@ -414,7 +415,7 @@ static int __wwan_port_dev_assign_name(struct wwan_port *port, const char *fmt)
/* Allocate unique id */
id = find_first_zero_bit(idmap, max_ports);
- free_page((unsigned long)idmap);
+ bitmap_free(idmap);
snprintf(buf, sizeof(buf), fmt, id); /* Name generation */